Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1983-02-23
1985-01-29
Nozick, Bernard
Gas separation
Means within gas stream for conducting concentrate to collector
134 38, B01D 4700
Patent
active
044963742
ABSTRACT:
An improved composition and process for denaturing or "killing" captured high-solids paint particles in aqueous wash solutions employed in gas scrubbing devices such as paint spray booths for extracting entrained particulated contaminants from the exhaust air stream. The invention is based on the discovery of adding and dispersing wash solution insoluble particles of a relatively fine particle size in such aqueous wash solutions in amounts which are effective to coact with and coagulate the captured high-solids paint particles entrained in the wash solution effecting a denaturing thereof and converting them from a sticky adherent consistency to a nontacky putty-like consistency whereby they remain entrained in the wash solution and subsequently can be extracted by flotation and skimming. In accordance with a preferred embodiment, the particles comprise talc in which the predominant proportion thereof are of an average particle size less than about 15 microns and are employed in amounts generally ranging from about 10 pounds up to about 200 pounds per 1000 gallons of wash solution.
REFERENCES:
patent: 3515575 (1970-06-01), Arnold
patent: 4220456 (1980-09-01), Block
patent: 4339248 (1982-07-01), Garner
Kluegel Arthur E.
Nozick Bernard
Parker Chemical Company
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